|
18 | 18 | </para> |
19 | 19 |
|
20 | 20 | <itemizedlist> |
21 | | - <listitem><para>TO BE COMPLETED LATER</para></listitem> |
| 21 | + <listitem> |
| 22 | + <para> |
| 23 | + New memory management system for <command>VACUUM</command>, which reduces |
| 24 | + memory consumption and can improve overall vacuuming performance. |
| 25 | + </para> |
| 26 | + </listitem> |
| 27 | + |
| 28 | + <listitem> |
| 29 | + <para> |
| 30 | + New <acronym>SQL/JSON</acronym> capabilities, including constructors, |
| 31 | + identity functions, and the <link |
| 32 | + linkend="functions-sqljson-table"><function>JSON_TABLE()</function></link> |
| 33 | + function, which converts JSON data into a table representation. |
| 34 | + </para> |
| 35 | + </listitem> |
| 36 | + |
| 37 | + <listitem> |
| 38 | + <para> |
| 39 | + Various query performance improvements, including to sequential reads |
| 40 | + using streaming I/O, write throughput under high concurrency, and |
| 41 | + searches over multiple values in a <link linkend="btree">btree</link> |
| 42 | + index. |
| 43 | + </para> |
| 44 | + </listitem> |
| 45 | + |
| 46 | + <listitem> |
| 47 | + <para> |
| 48 | + Logical replication enhancements, including: |
| 49 | + <itemizedlist> |
| 50 | + <listitem> |
| 51 | + <para> |
| 52 | + Failover control |
| 53 | + </para> |
| 54 | + </listitem> |
| 55 | + <listitem> |
| 56 | + <para> |
| 57 | + <link |
| 58 | + linkend="app-pgcreatesubscriber"><application>pg_createsubscriber</application></link>, |
| 59 | + a utility that logical replicas from physical standbys |
| 60 | + </para> |
| 61 | + </listitem> |
| 62 | + <listitem> |
| 63 | + <para> |
| 64 | + <link |
| 65 | + linkend="pgupgrade"><application>pg_upgrade</application></link> now |
| 66 | + preserves replication slots on both publishers and subscribers |
| 67 | + </para> |
| 68 | + </listitem> |
| 69 | + </itemizedlist> |
| 70 | + </para> |
| 71 | + </listitem> |
| 72 | + |
| 73 | + <listitem> |
| 74 | + <para> |
| 75 | + New client-side connection option, <link |
| 76 | + linkend="libpq-connect-sslnegotiation"><literal>sslnegotiation=direct</literal></link>, |
| 77 | + that allows direct TLS handshakes that avoids a round-trip negotation. |
| 78 | + </para> |
| 79 | + </listitem> |
| 80 | + |
| 81 | + <listitem> |
| 82 | + <para> |
| 83 | + <link |
| 84 | + linkend="app-pgbasebackup"><application>pg_basebackup</application></link> |
| 85 | + now supports incremental backup. |
| 86 | + </para> |
| 87 | + </listitem> |
| 88 | + |
| 89 | + <listitem> |
| 90 | + <para> |
| 91 | + <link linkend="sql-copy"><command>COPY</command></link> adds a new option, |
| 92 | + <literal>ON_ERROR ignore</literal>, that allows a copy operation to |
| 93 | + continue in the event of an error. |
| 94 | + </para> |
| 95 | + </listitem> |
22 | 96 | </itemizedlist> |
23 | 97 |
|
24 | 98 | <para> |
|